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https://issues.apache.org/jira/browse/LUCENE-9500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17206678#comment-17206678
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Uwe Schindler commented on LUCENE-9500:
---------------------------------------
The bug is fixed in JDK 16 build 18:
{noformat}
$ gradlew :lucene:core:test -Ptests.verbose=true --tests
"TestLucene87StoredFieldsFormatHighCompression" | grep buggy
2> JDK is buggy (JDK-8252739): false
{noformat}
> Did we hit a DEFLATE bug?
> -------------------------
>
> Key: LUCENE-9500
> URL: https://issues.apache.org/jira/browse/LUCENE-9500
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Affects Versions: 8.x, master (9.0), 8.7
> Reporter: Adrien Grand
> Assignee: Uwe Schindler
> Priority: Critical
> Labels: Java13, Java14, Java15, java11, jdk11, jdk13, jdk14,
> jdk15
> Fix For: 8.x, master (9.0), 8.7
>
> Attachments: PresetDictTest.java, test_data.txt
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> I've been digging
> [https://ci-builds.apache.org/job/Lucene/job/Lucene-Solr-NightlyTests-master/23/]
> all day and managed to isolate a simple reproduction that shows the problem.
> I've been starring at it all day and can't find what we are doing wrong,
> which makes me wonder whether we're calling DEFLATE the wrong way or whether
> we hit a DEFLATE bug. I've looked at it so much that I may be missing the
> most obvious stuff.
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